Question

I am having problems in order to debug an app using ruby-debug with RadRails.
I try to install the gem with gem install ruby-debug19 -as I am using Ruby 1.9.1-p249 but I get the following error:

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:>gem install ruby-debug19
Building native extensions. This could take a while…
ERROR: Error installing ruby-debug19:
ERROR: Failed to build gem native extension.

C:/Ruby191/bin/ruby.exe extconf.rb
checking for vm_core.h… * extconf.rb failed *
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.

Provided configuration options:
–with-opt-dir
–without-opt-dir
–with-opt-include
–without-opt-include=${opt-dir}/include
–with-opt-lib
–without-opt-lib=${opt-dir}/lib
–with-make-prog
–without-make-prog
–srcdir=.
–curdir
–ruby=C:/Ruby191/bin/ruby
–with-ruby-dir
–without-ruby-dir
–with-ruby-include
–without-ruby-include=${ruby-dir}/include
–with-ruby-lib
–without-ruby-lib=${ruby-dir}/lib
C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:364:in try_do': The complier failed
to genera
te an executable file. (RuntimeError)
You have to install development tools first.
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:433:intry_cpp’
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:811:in block in
have_header'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:670:inblock in
checking_for’
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:276:in block (2 levels)
in postp
one'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:250:inopen’
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:276:in block in
postpone'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:250:inopen’
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:272:in postpone'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:669:inchecking_for’
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:810:in have_header'
from extconf.rb:15:inblock in ‘
from
C:/Ruby191/lib/ruby/gems/1.9.1/gems/ruby_core_source-0.1.4/lib/ruby
_core_source.rb:18:in call'
from
C:/Ruby191/lib/ruby/gems/1.9.1/gems/ruby_core_source-0.1.4/lib/ruby
_core_source.rb:18:increate_makefile_with_core’
from extconf.rb:20:in `’

Gem files will remain installed in
C:/Ruby191/lib/ruby/gems/1.9.1/gems/linecache
19-0.5.11 for inspection.
Results logged to
C:/Ruby191/lib/ruby/gems/1.9.1/gems/linecache19-0.5.11/ext/tra
ce_nums/gem_make.out

C:>

Thanks in advance!

Answer 1

Just installed RubyInstaller 1.9.2 and worked